mirror of https://github.com/acidanthera/audk.git
122 lines
2.8 KiB
PHP
122 lines
2.8 KiB
PHP
;%HEADER%
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;/** @file
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; Macros to work around lack of Apple support for LDR register, =expr
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;
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; Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
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; Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
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;
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; This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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;**/
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MACRO
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MmioWrite32Macro $Address, $Data
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ldr r1, = ($Address)
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ldr r0, = ($Data)
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str r0, [r1]
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MEND
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MACRO
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MmioOr32Macro $Address, $OrData
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ldr r1, =($Address)
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ldr r2, =($OrData)
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ldr r0, [r1]
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orr r0, r0, r2
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str r0, [r1]
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MEND
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MACRO
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MmioAnd32Macro $Address, $AndData
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ldr r1, =($Address)
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ldr r2, =($AndData)
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ldr r0, [r1]
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and r0, r0, r2
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str r0, [r1]
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MEND
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MACRO
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MmioAndThenOr32Macro $Address, $AndData, $OrData
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ldr r1, =($Address)
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ldr r0, [r1]
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ldr r2, =($AndData)
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and r0, r0, r2
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ldr r2, =($OrData)
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orr r0, r0, r2
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str r0, [r1]
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MEND
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MACRO
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MmioWriteFromReg32Macro $Address, $Reg
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ldr r1, =($Address)
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str $Reg, [r1]
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MEND
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MACRO
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MmioRead32Macro $Address
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ldr r1, =($Address)
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ldr r0, [r1]
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MEND
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MACRO
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MmioReadToReg32Macro $Address, $Reg
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ldr r1, =($Address)
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ldr $Reg, [r1]
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MEND
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MACRO
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LoadConstantMacro $Data
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ldr r0, =($Data)
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MEND
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MACRO
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LoadConstantToRegMacro $Data, $Reg
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ldr $Reg, =($Data)
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MEND
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; The reserved place must be 8-bytes aligned for pushing 64-bit variable on the stack
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; Note: Global Size will be modified
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MACRO
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SetPrimaryStack $StackTop, $GlobalSize, $Tmp
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and $Tmp, $GlobalSize, #7
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rsbne $Tmp, $Tmp, #8
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add $GlobalSize, $GlobalSize, $Tmp
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sub sp, $StackTop, $GlobalSize
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; Set all the global variables to 0
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mov $Tmp, sp
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mov $GlobalSize, #0x0
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_SetPrimaryStackInitGlobals
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cmp $Tmp, $StackTop
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beq _SetPrimaryStackEnd
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str $GlobalSize, [$Tmp], #4
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b _SetPrimaryStackInitGlobals
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_SetPrimaryStackEnd
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MEND
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MACRO
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InitializePrimaryStack $GlobalSize, $Tmp1
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and $Tmp1, $GlobalSize, #7
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rsbne $Tmp1, $Tmp1, #8
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add $GlobalSize, $GlobalSize, $Tmp1
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mov $Tmp1, sp
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sub sp, $GlobalSize
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; Set all the global variables to 0
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mov $GlobalSize, #0x0
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_InitializePrimaryStackLoop
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cmp $Tmp1, sp
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bls _InitializePrimaryStackEnd
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str $GlobalSize, [$Tmp1], #-4
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b _InitializePrimaryStackLoop
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_InitializePrimaryStackEnd
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MEND
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END
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